MEDIUMCVSS v3.1 4.6Vulnerability

CVE-2026-126048

Gwenhywfar 4.99.8beta before 5.14.2 contains a stack-based buffer overflow in GWEN_TLV_Buffer_To_DB() in src/parser/tlv.c when decoding BER-TLV tags into a fixed 128-byte buffer. Attackers can supply a record with about 127 or more tag continuation bytes or a truncated multi-byte tag, such as via a malicious chip card's EF_SSD file read by libchipcard's ZKA driver, to crash the application.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-10T23:33:48.924589+00:00
Cvss severity
MEDIUM
Cvss score
4.6
Retrieved at
2026-11-10T23:34:23+00:00
Score
4.6
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-126048
Cvss vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
First seen by Signal
2026-11-10T19:28:55+00:00
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published at
2026-11-10T17:17:31.473
Last modified
2026-11-10T17:17:31.473

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-126048 (CVSS v3.1 4.6) — Ninja Signal Threat Intelligence | Ninja Signal